package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @Classname ListValueConstraintValidator
 * @Description TODO
 * @Date 2022-02-03 10:19
 * @Created by darrren
 */

public class ListValueConstraintValidator implements ConstraintValidator<ListValue, Integer> {
    private Set<Integer> set = new HashSet<>();

    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        for (int val : vals) {
            set.add(val);
        }
    }

    @Override
    public boolean isValid(Integer val, ConstraintValidatorContext constraintValidatorContext) {
        return set.contains(val);
    }
}
